Home / 71,377.18-98,500.40-39,548.14

Finding the Fourth Proportional to 71,377.18, 98,500.40 and 39,548.14

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Solution

The fourth proportional to 71,377.18, 98,500.40 and 39,548.14 is: 54,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.18 : 98,500.40 = 39,548.14 : x
  2. Step 2: Convert to fraction form
    71,377.18/98,500.40 = 39,548.14/x
  3. Step 3: Cross multiply
    71,377.18x = 98,500.40 × 39,548.14
  4. Step 4: Simplify right side
    71,377.18x = 3,895,507,609.26
  5. Step 5: Solve for x
    x = 3,895,507,609.26/71,377.18
  6. Step 6: Final answer
    x = 54,576.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.